Society of Glass Technology · [Sheffield] · leaf 591
Fig. 136. 282. Glass-making Machinery. A. E. Clego (Brit. Pat.No. 124356, July 12th, 1918, No. 11420).—In a machine for 212 JOURNAL OF THE SOCIETY OF GLASS TECHNOLOGY. pressing jam-jar blanks intended to be blown subsequently inanother mould, the usual spring cover-plate, 9 (Fig. 138), throughwhich… … Fig. 138. and operates the plunger, 1, through arms, 15, and links, 16. Bythis arrangement, the springs no longer oppose the motion of theplunger when once the roller, 10, rides on the concentric part ofthe cam, 11, and, in consequence, this motion is easier and moresensitive. H- Cr. C. 283.…
Glass
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